Assertion: Arachidic acid is an unsaturated fatty acid. Reason: There are one or more double bonds between carbon atoms in unsaturated fatty acids.
Arachidic acid is also known as the eicosanoic acid. It is a saturated fatty acid found in peanut oil. Unsaturated fatty acids have one or more double bonds between carbon atoms at fixed place along the hydrocarbon chain. Example palmitoleic acid, oleic acid, linolenic acid, arachidonic acid, etc.